JP2015512183A - アップリンクのマルチポイント協調 - Google Patents
アップリンクのマルチポイント協調 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims description 40
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- 238000004891 communication Methods 0.000 claims description 23
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- 125000004122 cyclic group Chemical group 0.000 claims description 11
- 238000013468 resource allocation Methods 0.000 claims description 8
- 238000009795 derivation Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000007726 management method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
Description
本願は、米国特許出願第13/536,722号(出願日:2012年6月28日、発明の名称:「UPLINK COORDINATED MULTI−POINT」)および米国仮特許出願第61/591,641号(出願日:2012年1月27日、発明の名称:「ADVANCED WIRELESS COMMUNICATION SYSTEMS AND TECHNIQUES」)に基づく優先権を主張する。両文献の開示内容は全て、参照により本願に組み込まれる。
[項目1]
複数の命令を格納する1または複数のコンピュータ可読格納媒体と、
前記1または複数のコンピュータ可読格納媒体に結合されている1または複数のプロセッサと
を備え、
前記1または複数のプロセッサは、前記複数の命令を実行することに応じて、
チャネル状態情報基準信号(CSI−RS)リソース構成情報を受信し、
前記CSI−RSリソース構成情報に基づいて複数のCSI−RSインデックスを決定し、
前記複数のCSI−RSインデックスに基づいてアップリンクマルチポイント協調(CoMP)協調セットの複数のポイントを特定する装置。
[項目2]
前記1または複数のプロセッサおよび前記1または複数のコンピュータ可読媒体は、前記装置の制御プレーン回路として構成され、
前記CSI−RSリソース構成情報は、CoMP初期化プロセスの一環として前記制御プレーン回路の無線リソース制御(RRC)回路によって受信される項目1に記載の装置。
[項目3]
前記CSI−RSリソース構成情報は、CSI−RSに対応付けられている複数の送信パラメータを含み、前記複数の送信パラメータは、送信電力、周期、サブフレームオフセット、複数の初期化シードおよび利用されているアンテナポートの数のうち少なくとも1つを含む項目1に記載の装置。
[項目4]
前記複数のCSI−RSインデックスは前記CSI−RSリソース構成情報に含まれているか、または、前記1または複数のプロセッサは、前記CSI−RSリソース構成情報に含まれている複数のCSI−RSの順序に基づいて、前記複数のCSI−RSインデックスを決定する項目1に記載の装置。
[項目5]
前記1または複数のプロセッサはさらに、
メッセージを受信し、
前記メッセージに基づいて、前記装置からアップリンクデータ送信を受信する前記アップリンクCoMP協調セットの前記複数のポイントのサブセットを含むCoMP 受信ポイント(RP)セットを決定し、
前記メッセージに基づいて、複数のアップリンク電力制御パラメータを決定する項目1から4のいずれか一項に記載の装置。
[項目6]
前記1または複数のプロセッサはさらに、
複数のCoMP RPセットにそれぞれ対応している複数のアップリンク電力制御パラメータセットを受信し、
前記CoMP RPセットに対応するアップリンク電力制御パラメータセットに基づいて、前記複数のアップリンク電力制御パラメータを決定する項目5に記載の装置。
[項目7]
前記複数のアップリンク電力制御パラメータは、前記メッセージに含まれ、ターゲット信号ノイズ比およびαを含み、αは、部分的電力制御率パラメータである項目5に記載の装置。
[項目8]
前記1または複数のプロセッサはさらに、前記アップリンクCoMP協調セットの1または複数のポイントからフィードバックされたメッセージに基づいてパスロス情報を決定する項目1から4のいずれか一項に記載の装置。
[項目9]
前記1または複数のプロセッサはさらに、前記装置によって測定される前記CSI−RSリソース構成情報の平均受信電力に基づいて前記パスロス情報を決定する項目8に記載の装置。
[項目10]
前記1または複数のプロセッサはさらに、RRCメッセージを用いて受信した前記アップリンクCoMP協調セットの前記複数のポイントのうち好ましい一のポイントの対応するCSI−RSインデックスを準静的に決定し、前記複数のポイントのうち前記好ましい一のポイントは、前記装置からデータを能動的に受信する項目1から4のいずれか一項に記載の装置。
[項目11]
前記1または複数のプロセッサはさらに、1または複数の仮想セル識別情報から複数のベースシーケンス、複数のグループホッピングパターンおよび複数のシーケンスホッピングパターンのうち少なくとも1つを導出する項目1から4のいずれか一項に記載の装置。
[項目12]
前記1または複数のプロセッサは、
複数の受信ポイントセットにそれぞれ対応する複数のアップリンク電力制御パラメータセットのリストを受信し、
前記アップリンクCoMP協調セットのサブセットである受信ポイントセットを決定し、
前記受信ポイントセットに対応するアップリンク電力制御パラメータセットを決定し、
前記アップリンク電力制御パラメータセットに基づいて前記受信ポイントセットに対する複数のアップリンク信号の送信を制御する項目1から4のいずれか一項に記載の装置。
[項目13]
複数の命令を格納する1または複数のコンピュータ可読媒体と、
前記1または複数のコンピュータ可読媒体に結合されている1または複数のプロセッサと
を備え、
前記1または複数のプロセッサは、前記複数の命令を実行することに応じて、複数のアップリンク復調基準信号(DM−RS)のユーザ機器(UE)固有構成をサポートし、前記1または複数のプロセッサは、
複数のベースシーケンスをセルレベルで構成し、
1または複数のUEの複数の通信スケジュールを決定し、
決定した前記複数の通信スケジュールに基づいて、前記1または複数のUEに、前記複数のベースシーケンスからの対応する複数のベースシーケンスを動的に割り当てるeNodeB。
[項目14]
前記複数のベースシーケンスは、特定のマルチポイント協調(CoMP)リソース管理(CRM)セットに対応付けられている項目13に記載のeNodeB。
[項目15]
前記アップリンクDM−RSは、前記1または複数のUEのそれぞれが前記複数のベースシーケンス、サイクリックシフト(CS)ホッピングパターン、グループホッピングパターン、シーケンスホッピングパターン、サイクリックシフト、および、前記1または複数のUEのそれぞれに対応付けられている複数のDM−RSシーケンスを決定するための直交カバーコード(OCC)のうちの1つを選択できるようにする複数のパラメータを含む項目13または14に記載のeNodeB。
[項目16]
前記1または複数のプロセッサは、
それぞれが前記複数のベースシーケンスのうち1つに対応する複数の仮想セル識別情報を、無線リソース制御(RRC)レベルのブロードキャストシグナリングまたはRRCレベルの専用シグナリングを用いて前記UEに準静的にシグナリングするか、または、
RRCレベルのブロードキャストシグナリングまたはRRCレベルの専用シグナリングを用いて、前記複数のベースシーケンスのうち1つに対応する一の仮想セル識別情報を前記UEに準静的にシグナリングする項目13または14に記載のeNodeB。
[項目17]
前記1または複数のプロセッサはさらに、
媒体アクセス制御−制御要素(MAC−CE)を用いて複数の仮想セル識別情報のうち1つの動的な選択をシグナリングし、前記複数の仮想セル識別情報がブロードキャスト方式または専用方式のRRCシグナリングを用いて準静的に前記UEにシグナリングされる場合、前記複数の仮想セル識別情報のうち1つは、前記複数のベースシーケンスのうち1つの導出を可能とし、または、
前記1または複数のプロセッサはさらに、前記複数の仮想セル識別情報がブロードキャスト方式または専用方式のRRCシグナリングを用いて前記UEに準静的にシグナリングされる場合、複数のアップリンク電力制御パラメータを設定するために用いられるMAC−CEメッセージングと、前記複数の仮想セル識別情報のうち1つの動的な選択とを組み合わせ、または、
前記1または複数のプロセッサはさらに、前記複数の仮想セル識別情報が準静的にブロードキャスト方式または専用方式のRRCシグナリングを用いて前記UEにシグナリングされる場合、前記複数の仮想セル識別情報のうち1つに割り当てられている複数のインデックスと共に、物理ダウンリンク制御チャネル(PDCCH)によって搬送されるダウンリンク制御情報(DCI)において、前記複数の仮想セル識別情報のうち1つの動的な選択をシグナリングする項目13または14に記載のeNodeB。
[項目18]
前記1または複数のプロセッサはさらに、アップリンクCoMP動作においてSRSの容量を高めるべく8個または8個を超える数のサイクリックシフト値のうち1つをシグナリングする項目13に記載のeNodeB。
[項目19]
前記1または複数のプロセッサは、複数のSRS送信のオープンループ電力制御について前記1または複数のUEが利用可能なパスロス情報を取得するべく、複数のチャネル状態情報リソース信号(CSI−RS)インデックスのうち対応する1つによって指定される複数の受信ポイントのうち好ましい一の受信ポイントを準静的にシグナリングする項目13または14に記載のeNodeB。
[項目20]
前記1または複数のプロセッサは、アップリンクCoMP協調セットに対応する複数のCSI−RSリソースインデックスに対する複数の信号を持つ前記アップリンクCoMP協調セットに基づいて、複数のSRS送信の複数の電力制御パラメータを調整する項目13または14に記載のeNodeB。
[項目21]
ユーザ機器(UE)に、
前記UEが接続されているセルのサウンディング基準信号(SRS)パラメータの複数のセットを、無線リソース制御(RRC)シグナリングを用いて、受信する手順と、
SRS送信の為に利用されるべき、前記複数のセットから選択されたSRSパラメータのセットを示す情報を、RRCレベルのシグナリングまたは媒体アクセス制御(MAC)レベルのシグナリングを用いて、受信する手順と
を実行させるためのプログラムであって、
前記複数のセットは、前記セルによってブロードキャストまたはユニキャストされるプログラム。
[項目22]
前記UEにさらに、アップリンクマルチポイント協調(CoMP)協調セットに対応する複数のCSI−RSリソースインデックスに対する複数の信号を持つ前記アップリンクCoMP協調セットに基づいて、複数のSRS送信の複数の電力制御パラメータを調整する手順を実行させるための項目21に記載のプログラム。
[項目23]
eNodeBに、
複数のマルチポイント協調(CoMP)動作をサポートさせ、
動的な確認応答(ACK)/否定確認応答(NACK)を搬送する物理アップリンク制御チャネル(PUCCH)の動的リソース配分のために、UE固有ACKおよびNACKリソースオフセットN (1) PUCCH を決定する手順と、
前記UE固有ACKおよびNACKリソースオフセットN (1) PUCCH を対応するUEに送信する手順と
を実行させるためのプログラム。
[項目24]
前記eNodeBに、
PUCCH形式1aおよび1bについて前記UE固有ACKおよびNACKリソースオフセットN (1) PUCCH を決定する手順を実行させ、
前記PUCCH形式1aおよび1bは、物理セルIDを利用する項目23に記載のプログラム。
[項目25]
前記eNodeBに、UEが利用するPUCCH形式毎に異なる仮想セルIDインデックスを送信する手順を実行させるための項目23または24に記載のプログラム。
Claims (25)
- 複数の命令を格納する1または複数のコンピュータ可読格納媒体と、
前記1または複数のコンピュータ可読格納媒体に結合されている1または複数のプロセッサと
を備え、
前記1または複数のプロセッサは、前記複数の命令を実行することに応じて、
チャネル状態情報基準信号(CSI−RS)リソース構成情報を受信し、
前記CSI−RSリソース構成情報に基づいて複数のCSI−RSインデックスを決定し、
前記複数のCSI−RSインデックスに基づいてアップリンクマルチポイント協調(CoMP)協調セットの複数のポイントを特定する装置。 - 前記1または複数のプロセッサおよび前記1または複数のコンピュータ可読媒体は、前記装置の制御プレーン回路として構成され、
前記CSI−RSリソース構成情報は、CoMP初期化プロセスの一環として前記制御プレーン回路の無線リソース制御(RRC)回路によって受信される請求項1に記載の装置。 - 前記CSI−RSリソース構成情報は、CSI−RSに対応付けられている複数の送信パラメータを含み、前記複数の送信パラメータは、送信電力、周期、サブフレームオフセット、複数の初期化シードおよび利用されているアンテナポートの数のうち少なくとも1つを含む請求項1に記載の装置。
- 前記複数のCSI−RSインデックスは前記CSI−RSリソース構成情報に含まれているか、または、前記1または複数のプロセッサは、前記CSI−RSリソース構成情報に含まれている複数のCSI−RSの順序に基づいて、前記複数のCSI−RSインデックスを決定する請求項1に記載の装置。
- 前記1または複数のプロセッサはさらに、
メッセージを受信し、
前記メッセージに基づいて、前記装置からアップリンクデータ送信を受信する前記アップリンクCoMP協調セットの前記複数のポイントのサブセットを含むCoMP 受信ポイント(RP)セットを決定し、
前記メッセージに基づいて、複数のアップリンク電力制御パラメータを決定する請求項1から4のいずれか一項に記載の装置。 - 前記1または複数のプロセッサはさらに、
複数のCoMP RPセットにそれぞれ対応している複数のアップリンク電力制御パラメータセットを受信し、
前記CoMP RPセットに対応するアップリンク電力制御パラメータセットに基づいて、前記複数のアップリンク電力制御パラメータを決定する請求項5に記載の装置。 - 前記複数のアップリンク電力制御パラメータは、前記メッセージに含まれ、ターゲット信号ノイズ比およびαを含み、αは、部分的電力制御率パラメータである請求項5に記載の装置。
- 前記1または複数のプロセッサはさらに、前記アップリンクCoMP協調セットの1または複数のポイントからフィードバックされたメッセージに基づいてパスロス情報を決定する請求項1から4のいずれか一項に記載の装置。
- 前記1または複数のプロセッサはさらに、前記装置によって測定される前記CSI−RSリソース構成情報の平均受信電力に基づいて前記パスロス情報を決定する請求項8に記載の装置。
- 前記1または複数のプロセッサはさらに、RRCメッセージを用いて受信した前記アップリンクCoMP協調セットの前記複数のポイントのうち好ましい一のポイントの対応するCSI−RSインデックスを準静的に決定し、前記複数のポイントのうち前記好ましい一のポイントは、前記装置からデータを能動的に受信する請求項1から4のいずれか一項に記載の装置。
- 前記1または複数のプロセッサはさらに、1または複数の仮想セル識別情報から複数のベースシーケンス、複数のグループホッピングパターンおよび複数のシーケンスホッピングパターンのうち少なくとも1つを導出する請求項1から4のいずれか一項に記載の装置。
- 前記1または複数のプロセッサは、
複数の受信ポイントセットにそれぞれ対応する複数のアップリンク電力制御パラメータセットのリストを受信し、
前記アップリンクCoMP協調セットのサブセットである受信ポイントセットを決定し、
前記受信ポイントセットに対応するアップリンク電力制御パラメータセットを決定し、
前記アップリンク電力制御パラメータセットに基づいて前記受信ポイントセットに対する複数のアップリンク信号の送信を制御する請求項1から4のいずれか一項に記載の装置。 - 複数の命令を格納する1または複数のコンピュータ可読媒体と、
前記1または複数のコンピュータ可読媒体に結合されている1または複数のプロセッサと
を備え、
前記1または複数のプロセッサは、前記複数の命令を実行することに応じて、複数のアップリンク復調基準信号(DM−RS)のユーザ機器(UE)固有構成をサポートし、前記1または複数のプロセッサは、
複数のベースシーケンスをセルレベルで構成し、
1または複数のUEの複数の通信スケジュールを決定し、
決定した前記複数の通信スケジュールに基づいて、前記1または複数のUEに、前記複数のベースシーケンスからの対応する複数のベースシーケンスを動的に割り当てるeNodeB。 - 前記複数のベースシーケンスは、特定のマルチポイント協調(CoMP)リソース管理(CRM)セットに対応付けられている請求項13に記載のeNodeB。
- 前記アップリンクDM−RSは、前記1または複数のUEのそれぞれが前記複数のベースシーケンス、サイクリックシフト(CS)ホッピングパターン、グループホッピングパターン、シーケンスホッピングパターン、サイクリックシフト、および、前記1または複数のUEのそれぞれに対応付けられている複数のDM−RSシーケンスを決定するための直交カバーコード(OCC)のうちの1つを選択できるようにする複数のパラメータを含む請求項13または14に記載のeNodeB。
- 前記1または複数のプロセッサは、
それぞれが前記複数のベースシーケンスのうち1つに対応する複数の仮想セル識別情報を、無線リソース制御(RRC)レベルのブロードキャストシグナリングまたはRRCレベルの専用シグナリングを用いて前記UEに準静的にシグナリングするか、または、
RRCレベルのブロードキャストシグナリングまたはRRCレベルの専用シグナリングを用いて、前記複数のベースシーケンスのうち1つに対応する一の仮想セル識別情報を前記UEに準静的にシグナリングする請求項13または14に記載のeNodeB。 - 前記1または複数のプロセッサはさらに、
媒体アクセス制御−制御要素(MAC−CE)を用いて複数の仮想セル識別情報のうち1つの動的な選択をシグナリングし、前記複数の仮想セル識別情報がブロードキャスト方式または専用方式のRRCシグナリングを用いて準静的に前記UEにシグナリングされる場合、前記複数の仮想セル識別情報のうち1つは、前記複数のベースシーケンスのうち1つの導出を可能とし、または、
前記1または複数のプロセッサはさらに、前記複数の仮想セル識別情報がブロードキャスト方式または専用方式のRRCシグナリングを用いて前記UEに準静的にシグナリングされる場合、複数のアップリンク電力制御パラメータを設定するために用いられるMAC−CEメッセージングと、前記複数の仮想セル識別情報のうち1つの動的な選択とを組み合わせ、または、
前記1または複数のプロセッサはさらに、前記複数の仮想セル識別情報が準静的にブロードキャスト方式または専用方式のRRCシグナリングを用いて前記UEにシグナリングされる場合、前記複数の仮想セル識別情報のうち1つに割り当てられている複数のインデックスと共に、物理ダウンリンク制御チャネル(PDCCH)によって搬送されるダウンリンク制御情報(DCI)において、前記複数の仮想セル識別情報のうち1つの動的な選択をシグナリングする請求項13または14に記載のeNodeB。 - 前記1または複数のプロセッサはさらに、アップリンクCoMP動作においてSRSの容量を高めるべく8個または8個を超える数のサイクリックシフト値のうち1つをシグナリングする請求項13に記載のeNodeB。
- 前記1または複数のプロセッサは、複数のSRS送信のオープンループ電力制御について前記1または複数のUEが利用可能なパスロス情報を取得するべく、複数のチャネル状態情報リソース信号(CSI−RS)インデックスのうち対応する1つによって指定される複数の受信ポイントのうち好ましい一の受信ポイントを準静的にシグナリングする請求項13または14に記載のeNodeB。
- 前記1または複数のプロセッサは、アップリンクCoMP協調セットに対応する複数のCSI−RSリソースインデックスに対する複数の信号を持つ前記アップリンクCoMP協調セットに基づいて、複数のSRS送信の複数の電力制御パラメータを調整する請求項13または14に記載のeNodeB。
- ユーザ機器(UE)に、
前記UEが接続されているセルのサウンディング基準信号(SRS)パラメータの複数のセットを、無線リソース制御(RRC)シグナリングを用いて、受信する手順と、
SRS送信の為に利用されるべき、前記複数のセットから選択されたSRSパラメータのセットを示す情報を、RRCレベルのシグナリングまたは媒体アクセス制御(MAC)レベルのシグナリングを用いて、受信する手順と
を実行させるためのプログラムであって、
前記複数のセットは、前記セルによってブロードキャストまたはユニキャストされるプログラム。 - 前記UEにさらに、アップリンクマルチポイント協調(CoMP)協調セットに対応する複数のCSI−RSリソースインデックスに対する複数の信号を持つ前記アップリンクCoMP協調セットに基づいて、複数のSRS送信の複数の電力制御パラメータを調整する手順を実行させるための請求項21に記載のプログラム。
- eNodeBに、
複数のマルチポイント協調(CoMP)動作をサポートさせ、
動的な確認応答(ACK)/否定確認応答(NACK)を搬送する物理アップリンク制御チャネル(PUCCH)の動的リソース配分のために、UE固有ACKおよびNACKリソースオフセットN(1) PUCCHを決定する手順と、
前記UE固有ACKおよびNACKリソースオフセットN(1) PUCCHを対応するUEに送信する手順と
を実行させるためのプログラム。 - 前記eNodeBに、
PUCCH形式1aおよび1bについて前記UE固有ACKおよびNACKリソースオフセットN(1) PUCCHを決定する手順を実行させ、
前記PUCCH形式1aおよび1bは、物理セルIDを利用する請求項23に記載のプログラム。 - 前記eNodeBに、UEが利用するPUCCH形式毎に異なる仮想セルIDインデックスを送信する手順を実行させるための請求項23または24に記載のプログラム。
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LG ELECTRONICS: "Discussion on signaling methods for CoMP", 3GPP TSG RAN WG1 MEETING #67 R1-113986, JPN6015037465, 8 November 2011 (2011-11-08), ISSN: 0003156592 * |
LG ELECTRONICS: "PUCCH resource management for UL CoMP", 3GPP TSG RAN WG1 MEETING #67 R1-113990, JPN6015037471, 8 November 2011 (2011-11-08), ISSN: 0003156595 * |
PANASONIC: "DMRS enhancement for UL CoMP", 3GPP TSG-RAN WG1 MEETING #67 R1-113810, JPN6015037462, 8 November 2011 (2011-11-08), ISSN: 0003156591 * |
PANASONIC: "Uplink enhancement for Rel.11", 3GPP TSG-RAN WG1 MEETING #66 R1-112367, JPN6015037469, 16 August 2011 (2011-08-16), ISSN: 0003156594 * |
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